Computer Science – Performance
Scientific paper
Jan 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21538706l&link_type=abstract
American Astronomical Society, AAS Meeting #215, #387.06; Bulletin of the American Astronomical Society, Vol. 42, p.603
Computer Science
Performance
Scientific paper
We report on the design and estimated performance of a balloon-borne hard X-ray polarimeter called HX-POL. The experiment uses a combination of Si and Cadmium Zinc Telluride detectors to measure the polarization of 50 keV-500 keV X-rays from cosmic sources through the dependence of the angular distribution of Compton scattered photons on the polarization direction. On a one-day balloon flight, HX-POL would allow us to measure the polarization of bright Crab-like sources for polarization degrees well below 10%. On a longer (15-30 day) flight from Australia or Antarctica, HX-POL would be able to measure the polarization of bright sources down to polarization degrees of a few percent. Hard X-ray polarization measurements provide unique venues for the study of particle acceleration processes by compact objects and relativistic outflows. Furthermore, we present results form laboratory tests of the Si and CZT detectors.
Baring Matthew G.
Beilicke Matthias
de Geronimo Gianluigi
Dowkontt Paul
Garson Alfred III
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